Koinsolv Neutral Coin Solvent Cleaner Koinsolv is a neutral solvent designed to clean contaminants from coins such as PVC, oil, tape, and grease and is completely harmless to coins Koinsolv will not remove oxidation, corrosion, toning or spots from your coins Koinsolv is the replacement solvent for Dissolve This listing is for a single 16 fl. oz. bottle